Should turbo engines be allowed to 'spool down' after spirited driving?

The turbo recently failed on my Rover 75 diesel. It failed at 90,000 miles, resulting in the fitting of a new turbo. The garage advised that I let the engine idle for 30 seconds before turning it off....

Which is the best fuel for keeping my engine clean?

Am I wasting money by occasionally purchasing Esso Supreme? I do this with the idea of it perhaps cleaning the engine and parts of my Mazda 5 Sport. I do only 2000 miles a year.

Why couldn't Halfords help with the battery on my 1959 Austin Healey?

As the cranking speed of my 1959 Austin Healey's starter was getting very low, I drove round to Halfords and asked them to test the battery. Their meter said ‘battery unserviceable', so I shelled out £75...

Can I endorse Miller Oils' Diesel Power Eco Max for DPF care, as used in my Vauxhall Zafira?

I have an old-school 2.0DTI in a Vauxhall Zafira. I have had issues with the EGR valve for about three years. Instead of having it replaced my local friendly garage "cleans" it and all is well, or was...

Can I use nitrogen instead of air in my tyres?

At a recent visit to ATS Tyres they suggested that I inflate the tyres on my Land Cruiser with nitrogen saying that this leads to better handling of the vehicle, less pressure loss and less corrosion to...

Thanks for recommending Shell V Power fuel - I use it in my 1996 Cadillac Deville.

Having read a number of car articles in the Daily Telegraph (yes, some of us in the "Colonies" do read material from outside our borders), I noted your advice in using high-quality fuels, not just for...

Is there an easy way to unclog my Honda Civic's windscreen washer reservoir?

The jets of the windscreen washers of my 2008 Honda Civic S-Type barely reach the windscreen. A mechanic friend has said that it is the reservoir filter clogged up with sediment from the windscreen wash...

Why shouldn't I use supermarket fuel?

I get the impression that you think it best to avoid supermarket petrol. Why?

Why does Volkswagen Auto Group exclude shock absorbers from its warranty?

We started a thread in the Backroom (/www.honestjohn.co.uk/forum/posts/?t=93339) complaining about VAG excluding shock absorbers from its warranty and giving only six months (as with brake pads etc). Can...

My diesel Corsa won't start

I'm working on a Vauxhall Corsa 1.3 diesel and for some reason it won't start. On the diagnostics it's saying codes P0100 and P0110 - it's got plenty of fuel in and I've tried towing it! Have u any ideas...